Medical injector



FIG. 1 is a perspective rear view of a medical injector in accordance with the present design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dashed line circles immediately adjacent to the claimed areas in FIGS. 6 and 7 represent the boundaries of the claimed design. The dashed lines in the figures illustrate the portions of the design that form no part of the claimed design. None of the broken lines form any part of the claimed design. 

CLAIM The ornamental design for a medical injector, as shown and described. 